package pack0618;

public class DemoD {
    public static void main(String[] args) {
        System.out.println();
        int a =10;
        int b=--a;
        System.out.println(a);
        System.out.println(b);
        int c=20;
        String d =c>=10?"大于":"小于";
        System.out.println(d);


    }
}
